/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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 */
package io.github.interestinglab.waterdrop.output.utils

import java.util.Properties

import org.apache.kafka.clients.producer.{KafkaProducer, ProducerRecord}

class KafkaProducerUtil(createProducer: () => KafkaProducer[String, String]) extends Serializable {

  lazy val producer = createProducer()

  def send(topic: String, value: String): Unit =
    producer.send(new ProducerRecord(topic, value))
}

object KafkaProducerUtil {
  def apply(config: Properties): KafkaProducerUtil = {
    val f = () => {
      val producer = new KafkaProducer[String, String](config)

      sys.addShutdownHook {
        producer.close()
      }

      producer
    }
    new KafkaProducerUtil(f)
  }
}
